HVAC Module
HVAC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1C83:12 | Rear Defog Relay: Circuit Short to Battery | For MKZ, Go To PINPOINT TEST K
. For Fusion, Milan, Go To PINPOINT TEST M . |
| B1C83:14 | Rear Defog Relay: Circuit Short to Ground or Open | If the rear window does not defrost, Go To PINPOINT TEST K
(MKZ) or Go To PINPOINT TEST M
(Fusion, Milan). If the rear window defrost does not turn off, Go To PINPOINT TEST L (MKZ) or Go To PINPOINT TEST N (Fusion, Milan). |
| All other DTCs | - | REFER to the Master DTC Table in MULTIFUNCTION ELECTRONIC MODULES . |